金宏版本不支持，想其他办法

renren-admin/src/main/resources/db/R__del_token.sql

@@ -1,7 +0,0 @@
-DELETE
-FROM sys_user_token
-WHERE id NOT IN (SELECT s.id
-				 FROM (SELECT sut.id,
-							  ROW_NUMBER() OVER ( PARTITION BY sut.user_id ORDER BY sut.create_date DESC ) AS group_idx
-					   FROM sys_user_token sut) s
-				 WHERE s.group_idx = 1);